PRICE FALLS
1: £2,160 Vauxhallto £1,592 Corsas(down 26.3%)(above)
2: Vauxhall Astras £2,949 to £2,426 (17.7%)
3: Audi A3 models £5,373 to £4,766 (11.3%)
4: BMW 3 Series £7,395 to £6,939 (6.18%)
5: Ford Fiesta £2,584 to £2,435 (5.77%)
Average fall in value of used car models from January 2017 to September 2017